This market refers to the tennis match between Antonia Vergara Rivera and Josefina Estevez in the W15 Neuquén, Main Draw, originally scheduled for November 6, 2026 at 9:00AM ET. This market will resolve to 'Antonia Vergara Rivera' if Antonia Vergara Rivera advances against Josefina Estevez. This market will resolve to 'Josefina Estevez' if Josefina Estevez advances against Antonia Vergara Rivera. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 20, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the International Tennis Federation (ITF). A consensus of credible reporting may also be used.